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Title: Fundamentals of Battery Electric & Hybrid Vehicle Machines and Drives
Speaker: K. T. Chau, University of Hong Kong
Description: With ever increasing concern on our environment, battery electric vehicles (BEVs) and hybrid electric vehicles (HEVs) are becoming popular. While electric vehicles (EVs) involve multidisciplinary technologies, one of their key technologies is machines and drives. In this lecture, an overview of EV machines and drives is given. Firstly, the definition of various types of EVs as well as their key merits and shortcomings are presented, and system configurations of BEVs and HEVs introduced. Secondly, the existing motor drives for BEVs, including the DC motor, induction motor, permanent-magnet (PM) synchronous motor and PM brushless DC motor, are discussed. Some emerging motor drives such as the stator-PM motor, vernier PM motor and magnetless motor are introduced. Next the main machine system for HEVs, namely the planetary-geared electronic continuously variable transmission (ECVT), will be described, and some emerging machine systems such as the double-rotor ECVT and magnetic-geared ECVT introduced. Finally, the development trend of EV machines and drives will be revealed.
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